Miller, Godson Ugwechi , Nwala, Longinus  . IMPACT OF SAND MINING ON THE HEAVY METAL CONCENTRATION, IN ISIODU-EMOHUA NEW CALABAR RIVER, RIVERS STATE. bwjournal [Internet]. 2026 Sep. 28 [cited 2026 Sep. 28];. Available from: https://bwjournal.org/index.php/bsjournal/article/view/4389